Link between diet and dementia comes under the spotlight

Link between diet and dementia comes under the spotlight

A review by the Scientific Advisory Committee on Nutrition (SACN) of dozens of trials examining the role of different types of diets and supplements in warding off dementia has concluded that there is no firm evidence that a healthy diet protects against the disease.

Several studies found that those eating a Mediterranean diet – a regime rich in fish, vegetables, fruit and legumes – were less likely to develop dementia, reports The Daily Telegraph, but the review concluded that such evidence was ‘observational’ – ie. it could not demonstrate that the healthy eating habits were the reason for the lower rates of disease as those choosing such a diet may have had other habits, such as higher exercise levels, which are also linked to a lower rate of dementia.

The report also concluded that there is not enough evidence to confirm a link between lower risk of dementia and taking individual nutrients – such as B vitamins, vitamins C and E and omega-3 fatty acids, which have previously been linked to positive research findings.

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